Sliding boom headset



FIG. 1 is a perspective view of the right side of the design for a sliding boom headset;

FIG. 2 is a perspective view of the left side of the sliding boom headset;

FIG. 3 is a top view of the sliding boom headset;

FIG. 4 is a bottom view of the sliding boom headset;

FIG. 5 is a perspective view from the rear right side of the sliding boom headset of FIG. 1;

FIG. 6 is a rear perspective view of the sliding boom headset; and,

FIG. 7 is a front perspective view of the right side of the sliding boom headset. 

The ornamental design for a sliding boom headset, as shown and described. 